Magnetic Shape Memory Polymers with Integrated Multifunctional Shape Manipulation.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201906657
Abstract: Shape-programmable soft materials that exhibit integrated multifunctional shape manipulations, including reprogrammable, untethered, fast, and reversible shape transformation and locking, are highly desirable for a plethora of applications, including soft robotics, morphing structures, and biomedical devices.… read more here.
Keywords: shape; magnetic shape; shape memory; multifunctional shape ... See more keywords
The Crystallization Kinetics of Ni-Mn-Ga Magnetic Shape Memory Alloy Thin Films
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-019-06987-0
Abstract: The crystallization mechanism of Ni-Mn-Ga thin films and the reason for the difference of crystallization temperatures of Ni-Mn-based magnetic shape memory alloys (MSMAs) are unknown. Here, the crystallization kinetics of Ni53Mn28Ga19 magnetic shape memory alloy… read more here.
Keywords: magnetic shape; thin films; shape memory; crystallization ... See more keywords
Enhanced cyclability of elastocaloric effect in boron-microalloyed Ni-Mn-In magnetic shape memory alloys
Sign Up to like & getrecommendations! Published in 2017 at "Acta Materialia"
DOI: 10.1016/j.actamat.2017.01.025
Abstract: Abstract Cyclability of elastocaloric effect is of crucial importance for practical applications of elastocaloric refrigeration which is a promising alternative to the conventional cooling technology based on vapor compression. The well-known Ni-Mn-based magnetic shape memory… read more here.
Keywords: elastocaloric effect; magnetic shape; shape memory; memory alloys ... See more keywords
Characterization of as-built and heat-treated Ni-Mn-Ga magnetic shape memory alloy manufactured via laser powder bed fusion
Sign Up to like & getrecommendations! Published in 2021 at "Additive manufacturing"
DOI: 10.1016/j.addma.2021.101854
Abstract: Abstract Magnetic shape memory (MSM) alloys have a high potential as an emerging class of actuator materials for a new generation of fast and simple digital components. In this study, the MSM alloy Ni50.5Mn27.5Ga22.0 was… read more here.
Keywords: heat; via laser; temperature; powder ... See more keywords
An energy-relaxation-based framework for the modelling of magnetic shape memory alloys—Simulation of key response features under homogeneous loading conditions
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2019.07.016
Abstract: Abstract In this contribution we present a constitutive modelling framework for magnetic shape memory alloys (MSMA) that builds on a global variational principle. The approach relies on concepts of energy relaxation and generalised notions of… read more here.
Keywords: response; energy; framework; shape memory ... See more keywords
Effect of crystal quality on twinning stress in Ni–Mn–Ga magnetic shape memory alloys
Sign Up to like & getrecommendations! Published in 2021 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2021.07.081
Abstract: Abstract Low twinning stress (TS) is a prerequisite for magnetic shape memory functionality in ferromagnetic martensites. We compare Ni50Mn28Ga22 (nominal at.%) single crystals from four different producers to reveal the effect of crystal quality on… read more here.
Keywords: crystal quality; twinning stress; type; effect ... See more keywords
Microstructure, magnetism and nanomechanical properties of Ni50Mn25Ga20Gd5 magnetic shape memory alloy before and after heat treatment
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Rare Earths"
DOI: 10.1016/j.jre.2019.01.004
Abstract: Abstract Polycrystalline Ni50Mn25Ga20Gd5 (at%) magnetic shape memory alloy was investigated in the as-prepared state and after annealing at 1430 K for 3 h. Microstructural analysis reveals dual-phase nature of the material with substantial distinction between Gd-rich and… read more here.
Keywords: ni50mn25ga20gd5 magnetic; alloy; shape memory; memory alloy ... See more keywords
Composition and temperature dependence of twinning stress in non-modulated martensite of Ni-Mn-Ga-Co-Cu magnetic shape memory alloys
Sign Up to like & getrecommendations! Published in 2018 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2017.09.046
Abstract: Abstract We study compositional and thermal dependences of lattice parameters and twinning stress σ TW in Ni 50-x Mn 25-y Ga 25-z Co x Cu y + z magnetic shape memory alloys with non-modulated tetragonal… read more here.
Keywords: magnetic shape; shape memory; memory alloys; modulated martensite ... See more keywords
Reversible Martensitic Transformation under Low Magnetic Fields in Magnetic Shape Memory Alloys
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep40434
Abstract: Magnetic field-induced, reversible martensitic transformations in NiCoMnIn meta-magnetic shape memory alloys were studied under constant and varying mechanical loads to understand the role of coupled magneto-mechanical loading on the transformation characteristics and the magnetic field… read more here.
Keywords: shape; magnetic shape; shape memory; memory alloys ... See more keywords
Energy harvesting from structural vibrations of magnetic shape memory alloys
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4978258
Abstract: This letter presents the idea of scavenging energy from vibrating structures through magnetic shape memory alloy (MSMA). To this end, a MSMA specimen made of Ni50Mn28Ga22 is coupled to a cantilever beam through a step.… read more here.
Keywords: magnetic shape; shape memory; energy harvesting; energy ... See more keywords
A hopfield neural network-based Bouc-Wen model for magnetic shape memory alloy actuator
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/1.5129540
Abstract: Magnetic shape memory alloy (MSMA) actuator has potential application value in the aerospace, robotics and precision positioning due to the advantages such as small size, high precision, long stroke length and large energy density. However,… read more here.
Keywords: magnetic shape; hysteresis; model; msma actuator ... See more keywords